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Finding the Fourth Proportional to 293,525.60, 440,288.40 and 243,705.20

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Solution

The fourth proportional to 293,525.60, 440,288.40 and 243,705.20 is: 365,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,525.60 : 440,288.40 = 243,705.20 : x
  2. Step 2: Convert to fraction form
    293,525.60/440,288.40 = 243,705.20/x
  3. Step 3: Cross multiply
    293,525.60x = 440,288.40 × 243,705.20
  4. Step 4: Simplify right side
    293,525.60x = 107,300,572,579.68
  5. Step 5: Solve for x
    x = 107,300,572,579.68/293,525.60
  6. Step 6: Final answer
    x = 365,557.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.